The offence would not necessarily consist of an event, but of a set of behaviours. How do we determine that these are controlling behaviours? We'll have to rethink the way we put questions to the victims. This will make it possible to establish the type of controlling behaviour they've been subjected to. I don't think it will be problematic.
In fact, I've often seen cases where women have called the police because they feared for their lives, but by the time the police responded to the call, there had been no physical event, no physical offence. So the police couldn't pinpoint what had prompted the woman to call the police. No questions were asked about the events leading up to the call to the police.
This will lead us or force us to rethink the way we ask questions about the whole situation. We need to take a much broader view. It's not about a punch or a slap in the face. It's about someone terrorizing someone for weeks, months, even years, which we still don't consider a crime. In my opinion, that's problematic.